Question

difference between free ammonia and total ammonia

Answer 1

It exists in two forms in the aquarium and the first step is to understand the difference between ammonium NH4 and free ammonia NH3. NH3 (ammonia) is a gas and sometimes called toxic orfree ammonia. ... NH3 and NH4 together are often referred to as total ammonia nitrogen 

Answer 2

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It exists in two forms in the aquarium and the first step is to understand the difference between ammonium NH4 and free ammonia NH3. NH3 (ammonia) is a gas and sometimes called toxic or free ammonia. This type of ammonia is the dangerous part. ... NH3 and NH4 together are often referred to as total ammonia nitrogen (TAN).